Company lists · Data refreshed September 2026
Top 20 Nozzle heater manufacturers based in the United States
RevenueBase identified 31 nozzle heater manufacturers headquartered in the United States as of September 2026 and tracks 322 professional contacts across them, including 130 with verified work emails. Mentor is the largest hub.
This list covers nozzle heater manufacturers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 20 largest nozzle heater manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 75 contacts → | ||||
Partial evidence “Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 58 contacts → | ||||
Partial evidence “Nexthermal is a collaborative electric heater manufacturing company that focuses its passion and energy toward custom designing electric heaters, systems and assemblies.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 28 contacts → | ||||
Strong evidence “Tutco-Farnam Custom Products is an industry leading custom electric heating elements manufacturer specializing in air heaters and flexible surface heaters.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 16 contacts → | ||||
Indirect evidence “QMax Industries, Inc.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 12 contacts → | ||||
Strong evidence “Manufacturer of industrial, UL listed, high-powered heating products and accessories for shrink packaging and protective coatings such as: palletized products, marine…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 11 contacts → | ||||
Partial evidence “INDUSTRIAL HEATER is a plastics company based out of 30 Knotter Dr, Cheshire, CT, United States.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 8 contacts → | ||||
Strong evidence “Tioga Air Heaters manufactures and sells direct fired, indirect fired, hot water, steam, and electric heaters, HEPA filters, fans, and other climate control products and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 8 contacts → | ||||
Indirect evidence “Rama Corporation was established in 1947 in San Jacinto CA.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 contacts → | ||||
Partial evidence “With nearly 50 years of experience in the field of industrial process heating and space heating, the INTEK Corporation staff is ready to address your specific needs.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 5 contacts → | ||||
Partial evidence “Optimized for short runs, we are your one stop shop for immersion and air process electric heaters.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 4 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 4 contacts → | ||||
Strong evidence “A division of SuperKlean Washdown Products, NozzlePro is a leading manufacturer and supplier of industrial nozzles.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Indirect evidence “Since 1976, through aggressive leadership, team work and dedication, Tucker Induction Systems has provided world class excellence in quality, service and delivery.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 contacts → | ||||
Indirect evidence “Assembly Supplies, Co.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 contacts → | ||||
Partial evidence “Akinsun Heat Co, Inc.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Partial evidence “Devco Process Heaters (DPH) is a leader in the Fired Heater Industry!” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Partial evidence “Glo-Quartz® Incorporated is a family owned business that has been manufacturing Industrial Heating Equipment since 1952.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Partial evidence “Western Combustion Engineering has been in the business of engineering and manufactuing customer industrial heat processing equipment since 1979.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 contacts → | ||||
Strong evidence “YOUR ONE-STOP SOURCE FOR CUSTOM & STANDARD INDUSTRIAL HEATING SOLUTIONS Benchmark Thermal has been the market leading manufacturer of industrial heating elements since 1984.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Indirect evidence “QMax Catalytic, Inc.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: nozzle heater manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names nozzle heater manufacturers.
- Partial evidence
- Its own public description names part of nozzle heater manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nozzle heater manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 20 of 31 nozzle heater manufacturers based in the United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 130 reachable decision-makers.
Free signup · no credit card
Nozzle heater manufacturers based in the United States at a glance
As of Sep 30, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 31 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among nozzle heater manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “nozzle heater manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names nozzle heater manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among nozzle heater manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 130 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names nozzle heater manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many nozzle heater manufacturers are there based in the United States?
RevenueBase identified 31 nozzle heater manufacturers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Sigma Thermal, INC, headquartered in Marietta, tops this list with the largest team on record.
Which city has the most nozzle heater manufacturers?
Mentor leads with 2 headquartered companies, followed by Pico Rivera (2) and Tucson (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 130 verified decision-maker contacts tracked across these 31 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 31 nozzle heater manufacturers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States